]>
Commit | Line | Data |
---|---|---|
1 | /* fs/ internal definitions | |
2 | * | |
3 | * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. | |
4 | * Written by David Howells (dhowells@redhat.com) | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version | |
9 | * 2 of the License, or (at your option) any later version. | |
10 | */ | |
11 | ||
12 | struct super_block; | |
13 | struct file_system_type; | |
14 | struct linux_binprm; | |
15 | struct path; | |
16 | struct mount; | |
17 | struct shrink_control; | |
18 | ||
19 | /* | |
20 | * block_dev.c | |
21 | */ | |
22 | #ifdef CONFIG_BLOCK | |
23 | extern void __init bdev_cache_init(void); | |
24 | ||
25 | extern int __sync_blockdev(struct block_device *bdev, int wait); | |
26 | ||
27 | #else | |
28 | static inline void bdev_cache_init(void) | |
29 | { | |
30 | } | |
31 | ||
32 | static inline int __sync_blockdev(struct block_device *bdev, int wait) | |
33 | { | |
34 | return 0; | |
35 | } | |
36 | #endif | |
37 | ||
38 | /* | |
39 | * buffer.c | |
40 | */ | |
41 | extern void guard_bio_eod(int rw, struct bio *bio); | |
42 | ||
43 | /* | |
44 | * char_dev.c | |
45 | */ | |
46 | extern void __init chrdev_init(void); | |
47 | ||
48 | /* | |
49 | * namei.c | |
50 | */ | |
51 | extern int user_path_mountpoint_at(int, const char __user *, unsigned int, struct path *); | |
52 | extern int vfs_path_lookup(struct dentry *, struct vfsmount *, | |
53 | const char *, unsigned int, struct path *); | |
54 | ||
55 | /* | |
56 | * namespace.c | |
57 | */ | |
58 | extern void *copy_mount_options(const void __user *); | |
59 | extern char *copy_mount_string(const void __user *); | |
60 | ||
61 | extern struct vfsmount *lookup_mnt(struct path *); | |
62 | extern int finish_automount(struct vfsmount *, struct path *); | |
63 | ||
64 | extern int sb_prepare_remount_readonly(struct super_block *); | |
65 | ||
66 | extern void __init mnt_init(void); | |
67 | ||
68 | extern int __mnt_want_write(struct vfsmount *); | |
69 | extern int __mnt_want_write_file(struct file *); | |
70 | extern void __mnt_drop_write(struct vfsmount *); | |
71 | extern void __mnt_drop_write_file(struct file *); | |
72 | ||
73 | /* | |
74 | * fs_struct.c | |
75 | */ | |
76 | extern void chroot_fs_refs(const struct path *, const struct path *); | |
77 | ||
78 | /* | |
79 | * file_table.c | |
80 | */ | |
81 | extern struct file *get_empty_filp(void); | |
82 | ||
83 | /* | |
84 | * super.c | |
85 | */ | |
86 | extern int do_remount_sb(struct super_block *, int, void *, int); | |
87 | extern bool trylock_super(struct super_block *sb); | |
88 | extern struct dentry *mount_fs(struct file_system_type *, | |
89 | int, const char *, void *); | |
90 | extern struct super_block *user_get_super(dev_t); | |
91 | ||
92 | /* | |
93 | * open.c | |
94 | */ | |
95 | struct open_flags { | |
96 | int open_flag; | |
97 | umode_t mode; | |
98 | int acc_mode; | |
99 | int intent; | |
100 | int lookup_flags; | |
101 | }; | |
102 | extern struct file *do_filp_open(int dfd, struct filename *pathname, | |
103 | const struct open_flags *op); | |
104 | extern struct file *do_file_open_root(struct dentry *, struct vfsmount *, | |
105 | const char *, const struct open_flags *); | |
106 | ||
107 | extern long do_handle_open(int mountdirfd, | |
108 | struct file_handle __user *ufh, int open_flag); | |
109 | extern int open_check_o_direct(struct file *f); | |
110 | extern int vfs_open(const struct path *, struct file *, const struct cred *); | |
111 | ||
112 | /* | |
113 | * inode.c | |
114 | */ | |
115 | extern long prune_icache_sb(struct super_block *sb, struct shrink_control *sc); | |
116 | extern void inode_add_lru(struct inode *inode); | |
117 | ||
118 | /* | |
119 | * fs-writeback.c | |
120 | */ | |
121 | extern void inode_io_list_del(struct inode *inode); | |
122 | ||
123 | extern long get_nr_dirty_inodes(void); | |
124 | extern void evict_inodes(struct super_block *); | |
125 | extern int invalidate_inodes(struct super_block *, bool); | |
126 | ||
127 | /* | |
128 | * dcache.c | |
129 | */ | |
130 | extern struct dentry *__d_alloc(struct super_block *, const struct qstr *); | |
131 | extern int d_set_mounted(struct dentry *dentry); | |
132 | extern long prune_dcache_sb(struct super_block *sb, struct shrink_control *sc); | |
133 | ||
134 | /* | |
135 | * read_write.c | |
136 | */ | |
137 | extern int rw_verify_area(int, struct file *, const loff_t *, size_t); | |
138 | ||
139 | /* | |
140 | * pipe.c | |
141 | */ | |
142 | extern const struct file_operations pipefifo_fops; | |
143 | ||
144 | /* | |
145 | * fs_pin.c | |
146 | */ | |
147 | extern void group_pin_kill(struct hlist_head *p); | |
148 | extern void mnt_pin_kill(struct mount *m); | |
149 | ||
150 | /* | |
151 | * fs/nsfs.c | |
152 | */ | |
153 | extern struct dentry_operations ns_dentry_operations; | |
154 | ||
155 | /* | |
156 | * fs/ioctl.c | |
157 | */ | |
158 | extern int do_vfs_ioctl(struct file *file, unsigned int fd, unsigned int cmd, | |
159 | unsigned long arg); | |
160 | extern long vfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg); |